mod_presence: Advertise support for Subscription Pre-Approval
RFC 6121 ยง3.4 says:
> If a server supports subscription pre-approvals, then it MUST
> advertise the following stream feature during stream negotiation.
The feature itself (#686) was added in f0e9e5bda415
--- a/plugins/mod_presence.lua Wed Mar 18 17:42:56 2020 +0000
+++ b/plugins/mod_presence.lua Thu Mar 19 00:10:15 2020 +0100
@@ -30,6 +30,14 @@
local ignore_presence_priority = module:get_option_boolean("ignore_presence_priority", false);
+local pre_approval_stream_feature = st.stanza("sub", {xmlns="urn:xmpp:features:pre-approval"});
+module:hook("stream-features", function(event)
+ local origin, features = event.origin, event.features;
+ if origin.username then
+ features:add_child(pre_approval_stream_feature);
+ end
+end);
+
function handle_normal_presence(origin, stanza)
if ignore_presence_priority then
local priority = stanza:get_child("priority");